96 lines
1.9 KiB
C
96 lines
1.9 KiB
C
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#ifndef _VGA_CLASS_H
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#define _VGA_CLASS_H
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/*++
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Copyright (c) 1999 Intel Corporation
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Module Name:
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VgaClass.h
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Abstract:
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Vga Mini port binding to Vga Class protocol
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Revision History
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--*/
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//
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// VGA Device Structure
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//
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// {0E3D6310-6FE4-11d3-BB81-0080C73C8881}
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#define VGA_CLASS_DRIVER_PROTOCOL \
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{ 0xe3d6310, 0x6fe4, 0x11d3, {0xbb, 0x81, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81} }
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typedef
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EFI_STATUS
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(* INIT_VGA_CARD) (
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IN UINTN VgaMode,
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IN VOID *Context
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);
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typedef struct {
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UINTN MaxColumns;
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UINTN MaxRows;
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} MAX_CONSOLE_GEOMETRY;
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#define VGA_CON_OUT_DEV_SIGNATURE EFI_SIGNATURE_32('c','v','g','a')
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typedef struct {
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UINTN Signature;
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EFI_HANDLE Handle;
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SIMPLE_TEXT_OUTPUT_INTERFACE ConOut;
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SIMPLE_TEXT_OUTPUT_MODE ConOutMode;
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EFI_DEVICE_PATH *DevicePath;
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UINT8 *Buffer;
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EFI_DEVICE_IO_INTERFACE *DeviceIo;
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//
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// Video Card Context
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//
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INIT_VGA_CARD InitVgaCard;
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VOID *VgaCardContext;
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MAX_CONSOLE_GEOMETRY *Geometry;
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//
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// Video buffer normally 0xb8000
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//
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UINT64 VideoBuffer;
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//
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// Clear Screen & Default Attribute
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//
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UINT32 Attribute;
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//
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// -1 means search for active VGA device
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//
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EFI_PCI_ADDRESS_UNION Pci;
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} VGA_CON_OUT_DEV;
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#define VGA_CON_OUT_DEV_FROM_THIS(a) CR(a, VGA_CON_OUT_DEV, ConOut, VGA_CON_OUT_DEV_SIGNATURE)
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//
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// Vga Class Driver Protocol.
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// GUID defined in EFI Lib
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//
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typedef
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EFI_STATUS
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(EFIAPI *INSTALL_VGA_DRIVER) (
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IN VGA_CON_OUT_DEV *ConOutDev
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);
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typedef struct {
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UINT32 Version;
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INSTALL_VGA_DRIVER InstallGenericVgaDriver;
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} INSTALL_VGA_DRIVER_INTERFACE;
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#endif
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